roubaixtuesday
self serving virtue signaller
And over periods of millions of years, we also have geological activity raising landmasses.
Even faster than that, land is rising very fast in places previously glaciated. Unsurprisingly, taking a mile thick glacier weighs the land down a bit.
https://en.m.wikipedia.org/wiki/Post-glacial_rebound
And sea levels change radically according to ice age cycles, by over 100 metres.